The shiny cylindrical tanks and slant-roofed control panels shoved against a wall in C3 Biotech’s laboratory have essentially been turned into a multimillion-dollar graveyard of high-grade stainless steel equipment. All of this state-of-the art gear was discarded during the company’s quest to discover a cheap way to convert agricultural waste like potato peels or sugar beet pulp into acrylic glass, a material widely used in manufacturing. Nigel Scrutton, a co-founder of C3 Biotech in Stockport, England, makes a point of showing off these expensive failures before explaining that the eureka…